43 lines
1.6 KiB
C#
43 lines
1.6 KiB
C#
using System.Security.Claims;
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using System.Text.Encodings.Web;
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using Microsoft.AspNetCore.Authentication;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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namespace Infrastructure.Services.Authentication;
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public class ApiKeyAuthenticationHandler(
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IOptionsMonitor<AuthenticationSchemeOptions> options,
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ILoggerFactory logger,
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UrlEncoder encoder,
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ISystemClock clock,
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IConfiguration configuration)
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: AuthenticationHandler<AuthenticationSchemeOptions>(options, logger, encoder, clock)
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{
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private const string ApiKeyHeaderName = "ApiKey";
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protected override Task<AuthenticateResult> HandleAuthenticateAsync()
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{
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if (!Request.Headers.TryGetValue(ApiKeyHeaderName, out var apiKeyHeaderValues))
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return Task.FromResult(AuthenticateResult.NoResult());
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var providedApiKey = apiKeyHeaderValues.FirstOrDefault();
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if (string.IsNullOrWhiteSpace(providedApiKey)) return Task.FromResult(AuthenticateResult.NoResult());
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var configuredApiKey = configuration.GetValue<string>("ApiKey");
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if (configuredApiKey.Equals(providedApiKey))
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{
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var claims = new[] { new Claim(ClaimTypes.Name, "ApiKeyUser") };
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var identity = new ClaimsIdentity(claims, Scheme.Name);
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var principal = new ClaimsPrincipal(identity);
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var ticket = new AuthenticationTicket(principal, Scheme.Name);
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return Task.FromResult(AuthenticateResult.Success(ticket));
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}
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return Task.FromResult(AuthenticateResult.Fail("Invalid API Key provided."));
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}
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} |